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Ondrej Mosnacek caa86901c8 NFSv4.2: fix return value of _nfs4_get_security_label() 
[ Upstream commit 53cb245454df5b13d7063162afd7a785aed6ebf2 ]

An xattr 'get' handler is expected to return the length of the value on
success, yet _nfs4_get_security_label() (and consequently also
nfs4_xattr_get_nfs4_label(), which is used as an xattr handler) returns
just 0 on success.

Fix this by returning label.len instead, which contains the length of
the result.

Fixes: aa9c2669626c ("NFS: Client implementation of Labeled-NFS")
Signed-off-by: Ondrej Mosnacek <omosnace@redhat.com>
Reviewed-by: James Morris <jamorris@linux.microsoft.com>
Reviewed-by: Paul Moore <paul@paul-moore.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-03-17 17:06:33 +01:00
..
blocklayout
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
filelayout
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
flexfilelayout
NFS/pNFS: Fix a typo in ff_layout_resend_pnfs_read()
2020-12-30 11:53:57 +01:00
cache_lib.c
…
cache_lib.h
…
callback_proc.c
NFSv4: Add support for CB_RECALL_ANY for flexfiles layouts
2020-03-16 08:34:30 -04:00
callback_xdr.c
NFS4: Report callback authentication errors
2020-01-15 10:54:31 -05:00
callback.c
SUNRPC: Cache the process user cred in the RPC server listener
2019-04-24 09:46:35 -04:00
callback.h
NFSv4: Add support for CB_RECALL_ANY for flexfiles layouts
2020-03-16 08:34:30 -04:00
client.c
NFSv4.2: query the server for extended attribute support
2020-07-13 17:52:45 -04:00
delegation.c
NFS: nfs_delegation_find_inode_server must first reference the superblock
2021-01-19 18:27:31 +01:00
delegation.h
NFSv4: Ensure the delegation is pinned in nfs_do_return_delegation()
2020-02-13 16:18:50 -05:00
dir.c
NFS: Don't gratuitously clear the inode cache when lookup failed
2021-03-17 17:06:33 +01:00
direct.c
NFS client updates for Linux 5.9
2020-08-15 08:26:55 -07:00
dns_resolve.c
NFS: remove duplicate headers
2020-05-27 10:10:12 -04:00
dns_resolve.h
…
export.c
NFS: Add a tracepoint in nfs_fh_to_dentry()
2019-11-03 21:28:46 -05:00
file.c
NFS client updates for Linux 5.9
2020-08-15 08:26:55 -07:00
fs_context.c
NFS Client Updates for Linux 5.10
2020-10-20 13:26:30 -07:00
fscache-index.c
nfs: fscache: use timespec64 in inode auxdata
2020-01-15 10:54:30 -05:00
fscache.c
NFSv4: Fix fscache cookie aux_data to ensure change_attr is included
2020-05-08 22:20:24 +01:00
fscache.h
nfs: fscache: use timespec64 in inode auxdata
2020-01-15 10:54:30 -05:00
getroot.c
NFS: Ensure security label is set for root inode
2020-03-30 19:56:50 -04:00
inode.c
NFS: switch nfsiod to be an UNBOUND workqueue.
2020-12-30 11:53:31 +01:00
internal.h
NFS: nfs_igrab_and_active must first reference the superblock
2021-01-19 18:27:31 +01:00
io.c
NFS: Fix up documentation warnings
2019-02-20 15:14:21 -05:00
iostat.h
…
Kconfig
NFS: Disable READ_PLUS by default
2020-12-10 16:48:03 -05:00
Makefile
NFSv4.2: add client side xattr caching.
2020-07-13 17:52:46 -04:00
mount_clnt.c
NFSv3: fix rpc receive buffer size for MOUNT call
2020-05-14 18:42:44 -04:00
namespace.c
NFS: fix nfs_path in case of a rename retry
2020-10-06 10:21:18 -04:00
netns.h
NFS: Add sysfs support for per-container identifier
2019-07-06 14:54:49 -04:00
nfs2super.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
nfs2xdr.c
nfs: remove timespec from xdr_encode_nfstime
2020-01-15 10:54:30 -05:00
nfs3_fs.h
NFS: Additional refactoring for fs_context conversion
2020-01-15 10:15:17 -05:00
nfs3acl.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
nfs3client.c
NFS: Additional refactoring for fs_context conversion
2020-01-15 10:15:17 -05:00
nfs3proc.c
NFS: move dprintk after nfs_alloc_fattr in nfs3_proc_lookup
2020-05-27 10:08:26 -04:00
nfs3super.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
nfs3xdr.c
NFS/pnfs: Fix pnfs_generic_prepare_to_resend_writes()
2020-01-15 10:54:32 -05:00
nfs4_fs.h
NFSv4: Wait for stateid updates after CLOSE/OPEN_DOWNGRADE
2020-10-02 08:43:09 -04:00
nfs4client.c
NFS: Add READ_PLUS data segment support
2020-10-07 14:28:39 -04:00
nfs4file.c
NFSv4.2: Fix 5 seconds delay when doing inter server copy
2020-12-10 16:48:03 -05:00
nfs4getroot.c
…
nfs4idmap.c
NFS: Only reference user namespace from nfs4idmap struct instead of cred
2020-10-13 15:56:54 -04:00
nfs4idmap.h
…
nfs4namespace.c
nfs: Fix memory leak of export_path
2020-06-26 08:43:14 -04:00
nfs4proc.c
NFSv4.2: fix return value of _nfs4_get_security_label()
2021-03-17 17:06:33 +01:00
nfs4renewd.c
NFSv4.0: nfs4_do_fsinfo() should not do implicit lease renewals
2020-02-04 12:27:55 -05:00
nfs4session.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
nfs4session.h
NFSv4.1: Bump the default callback session slot count to 16
2019-03-02 16:25:26 -05:00
nfs4state.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
nfs4super.c
NFS: Adjust fs_context error logging
2021-01-19 18:27:30 +01:00
nfs4sysctl.c
nfs: Do not convert nfs_idmap_cache_timeout to jiffies
2018-01-18 15:10:47 -05:00
nfs4trace.c
pNFS/flexfiles: Add tracing for layout errors
2020-01-15 10:54:33 -05:00
nfs4trace.h
NFSv4: Wait for stateid updates after CLOSE/OPEN_DOWNGRADE
2020-10-02 08:43:09 -04:00
nfs4xdr.c
NFSv4: Fix the alignment of page data in the getdeviceinfo reply
2020-12-30 11:53:30 +01:00
nfs42.h
NFSv4.2: add the extended attribute proc functions.
2020-07-13 17:52:45 -04:00
nfs42proc.c
NFS: Fix rpcrdma_inline_fixup() crash with new LISTXATTRS operation
2020-12-10 16:48:03 -05:00
nfs42xattr.c
NFSv4.2: fix failure to unregister shrinker
2020-11-12 10:40:02 -05:00
nfs42xdr.c
NFSv4.2: Don't error when exiting early on a READ_PLUS buffer overflow
2021-01-06 14:56:55 +01:00
nfs.h
…
nfsroot.c
nfsroot: Default mount option should ask for built-in NFS version
2020-11-02 10:29:03 -05:00
nfstrace.c
NFS: Add trace events to report non-zero NFS status codes
2019-02-13 12:03:21 -05:00
nfstrace.h
nfs: define and use the NFS_INO_INVALID_XATTR flag
2020-07-13 17:52:45 -04:00
pagelist.c
pNFS/flexfiles: Fix array overflow when flexfiles mirroring is enabled
2020-11-30 10:52:22 -05:00
pnfs_dev.c
NFS/flexfiles: Speed up read failover when DSes are down
2019-03-01 22:37:38 -05:00
pnfs_nfs.c
NFS/pNFS: Don't leak DS commits in pnfs_generic_retry_commit()
2021-01-19 18:27:31 +01:00
pnfs.c
pNFS/NFSv4: Improve rejection of out-of-order layouts
2021-02-13 13:55:06 +01:00
pnfs.h
pNFS: We want return-on-close to complete when evicting the inode
2021-01-19 18:27:30 +01:00
proc.c
NFS: Add softreval behaviour to nfs_lookup_revalidate()
2020-01-24 16:51:13 -05:00
read.c
NFS: Trace short NFS READs
2020-06-11 13:33:48 -04:00
super.c
The one new feature this time, from Anna Schumaker, is READ_PLUS, which
2020-10-22 09:44:27 -07:00
symlink.c
nfs: pass the correct prototype to read_cache_page
2019-05-09 16:26:57 -04:00
sysctl.c
…
sysfs.c
NFSv4: Fix up RCU annotations for struct nfs_netns_client
2020-10-15 13:31:08 -04:00
sysfs.h
NFSv4: Fix up RCU annotations for struct nfs_netns_client
2020-10-15 13:31:08 -04:00
unlink.c
NFS: Avoid referencing the cred twice in async rename/unlink
2020-03-16 08:34:29 -04:00
write.c
mm/writeback: discard NR_UNSTABLE_NFS, use NR_WRITEBACK instead
2020-06-02 10:59:08 -07:00